Anti-mist and scratch resistant lens with UV protection. Dust, liquid splash, molten metal and extreme temperature protection. Engineered to offer outstanding performance, compatibility, comfort and looks. Conforms to EN166 1B. \n\n\n\n\n\n• Double lens protection with TMC™ technology to offer fog-free use, even in extreme environments.\n• Can be used with an RX insert for prescription eyewear\n• Features a wide 30mm elastic headband for improved comfort and secure fit.\n• 99.9% protection against UV radiation\n• The optical lenses comply with the requirements of optical class 1 (highest) \n• Protection against medium energy high speed particles at 270mph and in extreme temperatures